Description of problem:
SELinux is preventing /usr/libexec/postfix/cleanup from 'lock' accesses on the file /var/spool/postfix/pid/unix.cleanup.

*****  Plugin catchall (100. confidence) suggests  ***************************

If you believe that cleanup should be allowed lock access on the unix.cleanup file by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
Do
allow this access for now by executing:
# grep cleanup /var/log/audit/audit.log | audit2allow -M mypol
# semodule -i mypol.pp

Additional Information:
Source Context                system_u:system_r:postfix_cleanup_t:s0
Target Context                system_u:object_r:postfix_var_run_t:s0
Target Objects                /var/spool/postfix/pid/unix.cleanup [ file ]
Source                        cleanup
Source Path                   /usr/libexec/postfix/cleanup
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           postfix-2.9.6-4.fc18.x86_64
Target RPM Packages           
Policy RPM                    selinux-policy-3.11.1-95.fc18.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Permissive
Host Name                     (removed)
Platform                      Linux (removed) 3.9.2-200.fc18.x86_64 #1 SMP Mon
                              May 13 13:59:47 UTC 2013 x86_64 x86_64
Alert Count                   5
First Seen                    2013-05-22 11:42:31 EDT
Last Seen                     2013-05-22 15:25:18 EDT
Local ID                      a0f8379e-390c-46e5-8803-9db7b9e2f0d0

Raw Audit Messages
type=AVC msg=audit(1369250718.811:570): avc:  denied  { lock } for  pid=10232 comm="cleanup" path="/var/spool/postfix/pid/unix.cleanup" dev="dm-2" ino=2229996 scontext=system_u:system_r:postfix_cleanup_t:s0 tcontext=system_u:object_r:postfix_var_run_t:s0 tclass=file


type=SYSCALL msg=audit(1369250718.811:570): arch=x86_64 syscall=flock success=yes exit=0 a0=8 a1=2 a2=2 a3=7fffb1c2fbb0 items=0 ppid=3411 pid=10232 auid=4294967295 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 ses=4294967295 tty=(none) comm=cleanup exe=/usr/libexec/postfix/cleanup subj=system_u:system_r:postfix_cleanup_t:s0 key=(null)

Hash: cleanup,postfix_cleanup_t,postfix_var_run_t,file,lock

audit2allow

#============= postfix_cleanup_t ==============
allow postfix_cleanup_t postfix_var_run_t:file lock;

audit2allow -R
require {
	type postfix_cleanup_t;
	type postfix_var_run_t;
	class file lock;
}

#============= postfix_cleanup_t ==============
allow postfix_cleanup_t postfix_var_run_t:file lock;


Additional info:
hashmarkername: setroubleshoot
kernel:         3.9.2-200.fc18.x86_64
type:           libreport

Potential duplicate: bug 960900